package top.lingchen.spring5;

/**
 * @Author 凌宸
 * @create 2021-11-29 下午 10:11
 * @Description
 * @Version 1.0
 */
public class UserDaoImpl implements UserDao{
    @Override
    public int add(int a, int b) {
        return a + b;
    }
    @Override
    public String update(String id) {
        return id;
    }
}
